ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
a {
    text-decoration: none!important;
    color: #2c2c92;
}
.clearfix:before,
.clearfix:after {
  content: "";
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix {
  *zoom: 1;
}
body {
    max-width: 750px;
    min-width: 320px;
    margin: 0 auto;
    font: normal 14px/1.5 Tahoma, "Lucida Grande", Verdana, "Microsoft Yahei", STXihei, hei;
    color: #000;
    background: #f2f2f2;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}
.bg {
    position: relative;
}
/* 搜索 */
.search {
    position: fixed;
    top: 20px;
    left: 19px;
    width: 57%;
    height: 38px;
}
.search input {
    height: 38px;
    width: 100%;
    padding-left: 15%;
    outline: none;
    border: 1px solid #ccc;
    border-radius: 19px;
}
.search span {
    position: absolute;
    font-size: 14px;
    top: 14px;
    left: 3.75%;
}
/* 侧边视角定位 */
.per {
    position: fixed;
    top: 75px;
    right: 4%;
    display: flex;
    flex-direction: column;
    height: 125px;
    width: 10%;
    border-radius: 20px;
    border: 1px solid #ccc;
    background-color: #fff;
}
.per a {
    box-sizing: border-box;
    flex: 1;
    text-align: center;
    line-height: 41.5px;
    color: #000;
}
.per a:nth-child(2) {
    border-top: 1px solid #e1e1e1;
    border-bottom: 1px solid #e1e1e1;
}
.per a:hover {
    color: #2c2c92;
}
/* 交通工具类型导航定位 */
.car {
    position: fixed;
    left: 7%;
    bottom: 120px;
    width: 16%;
    height: 320px;
}
.car a {
    display: block;
    width: 100%;
    height: 60px;
    text-align: center;
    background-color: #fff;
    border-radius: 20px;
    margin-top: 30px;
}
.car a:first-child {
    margin-top: 0;
}
.car a .pic {
    margin-top: 2px;
    margin-left: 20%;
    width: 60%;
    height: 60%;
    background: url(../images/UI图标12.png) no-repeat;
    background-size: 100% 100%;
}
.car a:nth-child(1):hover .pic {
    background: url(../images/UI图标7.png) no-repeat;
    background-size: 100% 100%;
}
.car a:nth-child(2) .pic {
    background: url(../images/UI图标13.png) no-repeat;
    background-size: 100% 100%;
}
.car a:nth-child(2):hover .pic {
    background: url(../images/UI图标8.png) no-repeat;
    background-size: 100% 100%;
}
.car a:nth-child(3) .pic {
    background: url(../images/UI图标14.png) no-repeat;
    background-size: 100% 100%;
}
.car a:nth-child(3):hover .pic {
    background: url(../images/UI图标9.png) no-repeat;
    background-size: 100% 100%;
}
.car a:nth-child(4) .pic {
    background: url(../images/UI图标15.png) no-repeat;
    background-size: 100% 100%;
}
.car a:nth-child(4):hover .pic {
    background: url(../images/UI图标10.png) no-repeat;
    background-size: 100% 100%;
}
.car a span {
    display: block;
    margin-top: 3px;
}
/* 底部导航栏 */
.bottom {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 750px;
    min-width: 320px;
    height: 100px;
    background-color: #fff;
}
.bottom .nav {
    flex: 1;
    height: 100px;
    text-align: center;
}
.bottom .nav img {
    height: 56px;
    margin-top: 15px;
}
.bottom .nav span {
    display: block;
    font-size: 20px;
}

.bg {
    height: 2000px;
    width: 100%;
    background: url(../images/nav.jpg);
    background-size: 100%;
}